Chapter 54

Question 1

Indicate how each inter specific interaction affects the survival and reproduction of the 2 species interacting

Answer 1

+ and -

Question 2

(-/-)

Occurs when individuals of different species compete for a resource that limits their growth and survival

Answer 2

Interspecific competition

Question 3

Conditions which leave to competitive exclusion

Answer 3

Limited resources

Multiple species competing

Question 4

One species outcompetes the other, which goes extinct

Answer 4

Competitive exclusion

Question 5

Two species with the exact same niche

Answer 5

Perfect competition

Question 6

All of the resources a species uses make up its

Answer 6

Ecological niche

Question 7

Dividing up of a resource

Answer 7

Resource partitioning

Question 8

How does resource partitioning relate to competitive exclusion?

Answer 8

Helps species overcome compatible exclusion and coexist

Question 9

Conditions under which a species could exist without competition

Answer 9

Fundamental niche

Question 10

Conditions under which a species actually exists

Answer 10

Realized niche

Question 11

When two species are together, they become more distinct

Answer 11

Character displacement

Question 12

Because of character displacement, sympathetic populations tend to be ___ similar to each other than allopathic populations of the same two species

Answer 12

Less

Question 13

(-/+)

Between species in which one species, the predator, kills and eats the other, the prey

Answer 13

Predation

Question 14

I I pull a carrot from my garden and eat it is it predation?

Answer 14

Yes

Question 15

Four behavioral defenses

Answer 15

Camo
Warning coloration
Batesian mimicry
Millerian mimicry

Question 16

Makes animals hard for predators to see

Answer 16

Cryptic coloration

Question 17

Wants predators that an animal is toxic

Answer 17

Aposematic

Question 18

A harmless species mimics an unpalatable or harmful species

Answer 18

Batesian mimicry

Question 19

Two or more harmful/unpalatable species mimic each other

Answer 19

Mullerian

Question 20

Which type of mimicry benefits everyone

Answer 20

Mullerian mimicry

Question 21

(-/+)

An organism eats parts of a plant or alga

Answer 21

Herbivory

Question 22

Two structural defenses

Answer 22

Spines

Thorns

Question 23

Two chemical defenses

Answer 23

Strychnos toxifera

Astragalus

Question 24

Can the term symbiosis describe harmful interactions

Answer 24

Yes

Question 25

(-/+)

One organism, the parasite, derives its nourishment from another organism, it’s host , which is harmed in the process

Answer 25

Parasitism

Question 26

Feed off the external surface

Answer 26

Ectoparasites

Question 27

Love within the body

Answer 27

Endoparasites

Question 28

(+/+)

Benefits both species

Answer 28

Mutualism

Question 29

At least one party can’t survive without the other

Answer 29

Obligate mutualism

Question 30

Both can survive on their own

Answer 30

Facultative mutualism

Question 31

(+/0)

Benefits one but neither harms nor helps the other

Answer 31

Commensalism

Question 32

Is true commensalism common in nature?

Answer 32

No

Question 33

(+/+) or (+/0)
Can have positive effects on survival and reproduction of other species without necessarily living in direct intimate contact
Not sybiotic

Answer 33

Facilitation

Question 34

Competition, predation, her ivory, symbiosis, and facilitation

Answer 34

Interspecific actions